/*23 begin/////////////////////////////////////////////////////////
#include <iostream>
using namespace std;
int main(int argc, char **argv[])
{
  double A, B, C, D, F;
  cout << "vvedite A i B, i C:  ";
  cin >> A >> B >> C;
  D = B;
  F = C;
  B = A;
  C = D;
  A = F;
  cout << "A = " << A << "\nB = " << B << "\nC = " << C << endl;
  return 0;
}

24 begin///////////////////////////////////////////////////////////
#include <iostream>
using namespace std;
int main(int argc, char **argv[])
{
  double A, B, C, D, F;
  cout << "vvedite A i B, i C:  ";
  cin >> A >> B >> C;
  D = C;
  F = B;
  C = A;
  B = D;
  A = F;
  cout << "A = " << A << "\nB = " << B << "\nC = " << C << endl;
  return 0;
}

23 integer///////////////////////////////////////////////////////////
#include <iostream>
using namespace std;
int main(int argc, char *argv[])
{
    int t;
    cout<<"vvedite kol-vo sekund: ";
    cin>>t;
    t = t % 3600;
    t = t / 60;
    cout<<"kol-vo minut proshedshih s poslednego chasa: "<<t;
    return 0;
}

24 integer///////////////////////////////////////////////////////////
#include <iostream>
using namespace std;
int main(int argc, char *argv[])
{
   int d;
   cout<<"vvedite den goda: ";
   cin>>d;
   d = d % 7;
   switch(d)
   {
      case 0 :
         {
            cout<<"\nVS";
            break;
         }
      case 1 :
         {
            cout<<"\nPN";
            break;
         }
      case 2 :
         {
            cout<<"\nVT";
            break;
         }
      case 3 :
         {
            cout<<"\nSR";
            break;
         }
      case 4 :
         {
            cout<<"\nChT";
            break;
         }
      case 5 :
         {
            cout<<"\nPT";
            break;
         }
      case 6 :
         {
            cout<<"\nSB";
            break;
         }
   }
    return 0;
}
23 boolean///////////////////////////////////////////////////////////
#include <iostream>
using namespace std;
int main(int argc, char * argv[])
{
  int A;
  cin >> A;
  cout << (((((A/100)<((A/10)%10))&&((A/100)<(A%100)%10)&&(((A/10)%10)<(A%100)%10)))||((((A/100)>((A/10)%10))&&((A/100)>(A%100)%10)&&(((A/10)%10)>(A%100)%10))));;
  return 0;
}

24 boolean///////////////////////////////////////////////////////////
#include <iostream>
using namespace std;
int main(int argc, char * argv[])
{
  double a, b, c, D;
  cin >> a >> b >> c;
  if(a>0)
  {
  D = b * b - 4 * a * c;
  cout << (D >= 0);
  }
  else
  {
  cout <<"oshibka, a<0";
  }

  return 0;
}*/
